Komatsu PC128UU-1, PC128US-1 Hydraulic Excavator Shop Manual SEBM009805

Description

• Model List:
  • PC128UU-1 Hydraulic Excavator
  • PC128US-1 Hydraulic Excavator

• 1. COVER
• 2. CONTENTS
• 3. GENERAL
• 3.1. GENERAL ASSEMBLY DRAWING
• 3.2. SPECIFICATIONS
• 3.3. WEIGHT TABLE
• 3.4. LIST OF LUBRICANTS AND WATER
• 4. STRUCTURE AND FUNCTION
• 4.1. RADIATOR AND OIL COOLER
• 4.2. PTO (COUPLING)
• 4.3. ENGINE CONTROL
• 4.4. POWER TRAIN SYSTEM
• 4.5. SWING CIRCLE
• 4.6. SWING MACHINERY
• 4.7. TRACK FRAME
• 4.8. IDLER CUSHION
• 4.9. TRACK SHOE
• 4.10. HYDRAULIC PIPING DRAWING
• 4.11. HYDRAULIC CIRCUIT DIAGRAM
• 4.12. CENTER SWIVEL JOINT
• 4.13. VALVE CONTROL
• 4.14. PPC VALVE
• 4.15. PPC SHUTTLE AND TRAVEL JUNCTION VALVE
• 4.16. EPC SOLENOID VALVE
• 4.17. BOOM HOLDING VALVE
• 4.18. WORK EQUIPMENT
• 4.19. AIR CONDITIONER
• 4.20. ACTUAL ELECTRICAL WIRING DIAGRAM
• 4.21. ELECTRONIC CIRCUIT DIAGRAM
• 4.22. ELECTRONIC CONTROL SYSTEM
• 4.23. MACHINE MONITORING SYSTEM
• 5. TESTING AND ADJUSTING
• 5.1. STANDARD VALUE TABLE FOR ENGINE RELATED PARTS
• 5.2. STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS
• 5.3. STANDARD VALUE TABLE FOR ELECTRICAL RELATED PARTS (EXCEPT AUTOMATIC HORIZONTAL DIGGING MACHINE)
• 5.4. STANDARD VALUE TABLE FOR ELECTRICAL RELATED PARTS
• 5.5. TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING
• 5.6. MEASURING ENGINE SPEED
• 5.7. MEASURING EXHAUST COLOR
• 5.8. ADJUSTMENT VALVE CLEARANCE
• 5.9. MEASUREMENT BLOWBY PRESSURE
• 5.10. MEASUREMENT ENGINE OIL PRESSURE
• 5.11. TESTING AND ADJUSTMENT OF FUEL INJECTION TIMING
• 5.12. TESTING AND ADJUSTING AIR CONDITIONER COMPRESSOR BELT TENSION
• 5.13. ADJUSTING ENGINE SPEED SENSOR
• 5.14. ADJUSTING FUEL CONTROL CABLE
• 5.15. ADJUSTING FUEL CONTROL CABLE
• 5.16. ADJUSTING ENGINE STOP SOLENOID LINKAGE
• 5.17. TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING, TRAVEL CIRCUIT
• 5.18. TESTING AND ADJUSTING OUTPUT PRESSURE OF PC VALVE (SERVO PISTON INPUT PRESSURE)
• 5.19. TESTING AND ADJUSTING LS VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE) AND LS DIFFERENTIAL PRESSURE
• 5.20. TESTING AND ADJUSTING CONTROL PUNP CIRCUIT OIL PRESSURE
• 5.21. TESTING SOLENOID VALVE OUTPUT PRESSURE
• 5.22. MEASURING PPC VALVE OUTPUT PRESSURE AND TESTING PPC SHUTTLE VALVE
• 5.23. ADJUSTING WORK EQUIPMENT, SEING PPC VALVE
• 5.24. TESTING AND ADJUSTING TRAVEL DEVIATION
• 5.25. CHECKING LOCATION OF CAUSE OF HYDRAULIC DRIFT OF WORK EQUIPMENT
• 5.26. MEASUREMENT OIL LEAKAGE OF SWING, TRAVEL MOTOR
• 5.27. RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
• 5.28. TESTING CLEARANCE OF SWING CIRCLE BEARING
• 5.29. TESTING AND ADJUSTING TRACK SHOE TENSION
• 5.30. BLEEDING AIR
• 5.31. PROCEDURE FOR RESETTING ELECTRICAL SYSTEM AND CHECKING OPERATION
• 5.32. PROCEDURE FOR REPLACING POTENTIOMETER
• 5.33. PREOCEDURE FOR CHECKING DIODE
• 5.34. TROUBLESHOOTING
• 6. DISASSEMBLY AND ASSEMBLY
• 6.1. METHOD OF USING MANUAL
• 6.2. PRECAUTIONS WHEN CARRYING OUT OPERATION
• 6.3. SPECIAL TOOL LIST
• 6.4. SKECHES OF SPECIAL TOOLS
• 6.5. STARTING MOTOR
• 6.6. ALTERNATOR
• 6.7. ENGINE OIL COOLER
• 6.8. FUEL INJECTION PUMP
• 6.9. WATER PUMP
• 6.10. NOZZLE HOLDER
• 6.11. TURBOCHARGER
• 6.12. THERMOSTAT
• 6.13. CYLINDER HEAD
• 6.14. ENGINE, MAIN PUMP
• 6.15. RADIATOR, HYDRAULIC COOLER
• 6.16. FUEL TANK
• 6.17. CENTER SWIVEL JOINT
• 6.18. SPROCKET
• 6.19. TRAVEL MOTOR
• 6.20. SWING MOTOR, SWINMG MACHINERY
• 6.21. SWING MACHINERY
• 6.22. SWING MOROR
• 6.23. REVOLVING FRAME
• 6.24. SWING CIRCLE
• 6.25. IDLER, RECOIL SPRING
• 6.26. CARRIER ROLLER
• 6.27. SEEEL SHOE RUBBER PAD SHOE, LOAD LINER
• 6.28. INTEGRATED RUBBER SHOE
• 6.29. HYDRAULIC TANK
• 6.30. PCEPC, LSEPC VALVE
• 6.31. PC VALVE
• 6.32. LS VALVE
• 6.33. LS SELSECT VALVE
• 6.34. LS SHUTTLE VALVE
• 6.35. PRESSURE COMPENSATION VALVE
• 6.36. MAIN RELIEF VALVE
• 6.37. SOLENOID VALVE
• 6.38. WORK EQUIPMENT LH.PPC VALVE (ARM, SWING)
• 6.39. WORK EAUIPMENT R.H. PPC VALVE (BOOM, BUCKET)
• 6.40. WORK EQUIPMENT PPC VALVE (BOOM, BUCKET, ARM, SWING)
• 6.41. TRAVEL PPC VALVE
• 6.42. PPC VALVE FPR OFFSET CONTROL
• 6.43. BLADE PPC VALVE
• 6.44. BOOM LOCK VALVE
• 6.45. BUCKET CYLINDER
• 6.46. OFFSET CYLINDER
• 6.47. BLADE CYLINDER
• 6.48. HYDRAULIC CYLINDER
• 6.49. AIR CONDITIONER COMPRESSOR
• 6.50. AIR CONDENSER
• 6.51. COUNTERWEIGHT
• 6.52. CONTROLLER
• 6.53. MONITOR
• 6.54. CAR COOLER UNIT
• 7. MAINTENANCE STANDARD
• 7.1. SWING MACHINERY
• 7.2. CENTER SWIVEL JOINT
• 7.3. PPC VALVE
• 7.4. PPC SHUTTLETRAVEL JUNCTION VALVE
• 7.5. EPC SOLENOID VALVE
• 7.6. BOOM HOLDING VALVE
• 7.7. HYDRAULIC CYLINDER
• 7.8. WORK EQUIPMENT
• 7.9. DIMENSION OF WORK EQUIPMENT
• 8. OTHERS
• 8.1. HYDRAULIC PIPING DRAWING
• 8.2. MACHINE EQUIPMENT WITH AUTOMATIC HORIZONTAL EXCAVATION CONTROL (PC128UU1)
• 8.3. HYDRAUIC CIRCUIT DIAGRAM (PC128UU1)
• 8.4. MACHINE EQUIPMENT WITH AUTOMATIC HORIZONTAL EXCAVATION CONTROL (PC128UU1)
• 8.5. CLSS
• 8.6. ACTUAL ELECTRICAL WIRING DIAGRAM (PC128UU1)
• 8.7. ELECTRICAL CIRCUIT DIAGRAM (PC128UU1)
• 8.8. ELECTRONIC CONTRAL SYSTEM
• 8.9. HYDRAUIC CIRCUIT DIAGRAM (PC128US1)
• 8.10. ELECTRICAL CIRCUIT DIAGRAM (PC128US1)
• 8.11. CONNECTOR ARRANGEMENT DIAGRAM